Capabilities of Netflix $-$

Review the case $-$ Netflix's Strategy in $2020$ Strategy for Battling Rivals in the Global Market for Streamed Video Subscribers and the previous discussion about forces in the Video Streaming Industry. Address the following questions:

What three key capabilities will determine a company's success in this Video Streaming Industry?

Use the equation on Table $4\mathrm{.}1$ of Chapter $4$ to calculate the Net Profit Margin of Netflix in $2018$ and in $2019.$ Based on this calculation, what is your assessment of Netflix's financial performance in $2019?$